论文部分内容阅读
本文叙述了忠县肥料区划分区的原理和方法。据此将忠县分为6个主区,14个亚区。指出了各区存在的主要问题,提出了各区化肥有效施用的建议和有机肥发展的方向。
This article describes the principle and method of zoning division of fertilizers in Zhongxian County. According to this, Zhongxian County is divided into 6 main districts and 14 sub-districts. The main problems existing in each district are pointed out, the suggestion of effective application of fertilizers and the direction of organic fertilizer development are put forward.